THE IDOLM@STER M@STERS OF IDOL WORLD!!2015 was a two-day live concert event that took place on July 18 and 19, 2015. It was held to commemorate the tenth anniversary of THE iDOLM@STER franchise, included songs and performers from every medium of the franchise at the time, (excluding SideM),and took place at Seibu Prince Dome (now MetLife Dome) in Saitama, Tokorozawa, Japan.

• Bandai Namco Entertainment
• Asami Shimoda
• Akiko Hasegawa
• Rie Kugimiya
• Chiaki Takahashi
• Naomi Wakabayashi
• Hiromi Hirata
• Azumi Asakura
• Yumi Hara